Gun Motion tracking and simulated recoil solenoid 555 timer -NEED HELP!

Hey Guys My name is Dante , And i want to design and create a pc gamepad "GUN" that includes a motiontracker and a solenoid. An example of a motion tracking gun is : Half-Life 2 VR head and gun tracking mod for the Oculus Rift The motion tracker this guy used is http://hillcrestlabs.com/products/sensor-modules/ I need help with designing a board on the inside of a gun that would allow for solenoid simulated recoil and use some sort of wireless transmitter/reciever or bluetooth. the player could put a portable 18v battery on their back. check this video out. FragTag Solenoid recoil test - 12 volt push type I need some help with type of solenoid and how to circuit it! I would probably need a 555 timer... but i have no clue where to start. These are a few schematics i found online. I will try to use them as a base and modify them, but i need your help community!(Less work :wink: )
**broken link removed**
http://ids.ca/~steve/mame/images/recoil/Recoil2.png
http://www.westaby.net/2010/06/diy-recoil-action/
**broken link removed**
http://forum.arcadecontrols.com/index.php?action=dlattach;topic=119610.0;attach=270764;image
All schemtaic copyright goes to each op.
VIRTUAL REALITY IS COMING SOON.
HELP PLZZ I thought this forum would be the best place for me to post this, due to its very "SMART" users and engineers/programmers thanks ahead of time!